Digital broadcasting receiver and method for controlling the same
一种控制数字、广播接收的技术，应用在广播装置、广播相关系统、同时广播多条信息等方向，能够解决接收性能恶化、数字广播接收系统接收性能恶化、低效率等问题
Inactive Publication Date: 2010-09-15
LG ELECTRONICS INC
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Problems solved by technology
Therefore, in a bad channel environment, the receiving performance of the digital broadcast receiving system will deteriorate
In particular, reception performance may be further degraded when transmitting mobile service data using VSB transmission mode due to the higher immunity to channel variations and noise required when using portable and / or mobile broadcast receivers
In addition, inefficiencies have been found in prior art digital broadcast systems, such as the need for an electronic service guide (ESG) to access services provided by digital broadcast programs and the need for multiple tables
Method used
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[0046]Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. In addition, although the terms used in the present invention are selected from known and commonly used terms, some of the terms mentioned in the description of the present invention are selected by the applicant based on his or her own consideration. The detailed meaning of these terms is explained. Furthermore, the present invention cannot be understood simply by terms actually used, but needs to be understood by the meaning inherent in each term.
[0047] Among terms used in the description of the present invention, "main service data" corresponds to data that can be received by a fixed reception system, and may include audio / video (A / V) data. More specifically, the main service data may include ...
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A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from adata group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.
Description
technical field [0001] The present invention relates to a digital broadcasting system, and more particularly, to a digital broadcasting system and a method for controlling the digital broadcasting system. Background technique [0002] The digital broadcasting system consists of a digital broadcasting sending system (or transmitter) and a digital broadcasting receiving system (or receiver). In addition, the digital broadcast transmission system digitally processes data such as broadcast programs, and transmits the processed data to the digital broadcast reception system. Due to various advantages of the digital broadcasting system, such as efficient data transmission, the digital broadcasting system is gradually replacing the conventional analog broadcasting system. [0003] However, a vestigial sideband (VSB) transmission mode adopted as a digital broadcasting standard in North America and Korea is a system using a single carrier method. Therefore, in a bad channel environ...
Claims
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IPC IPC(8): H04N7/015H04N19/89
CPCH04H20/28H03M13/09H03M13/2909H03M13/15H03M13/356H03M13/1515H03M13/6331H03M13/6356H04H60/11H04N21/23418H04N21/2381H04N21/426H04N21/43H04N21/431H04N21/4345H04N21/4348H04N21/435H04N7/00H04N7/015H04N21/63H04N19/89H04N5/44
Inventor 李哲秀催仁焕朴尚洁
Owner LG ELECTRONICS INC